- Sun - Wikipedia
The Sun is the star at the centre of the Solar System It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light and infrared radiation with 10% at ultraviolet energies
- Our Sun: Facts - Science@NASA
Our Sun is a 4 5 billion-year-old yellow dwarf star – a hot glowing ball of hydrogen and helium – at the center of our solar system It’s about 93 million miles (150 million kilometers) from Earth and it’s our solar system’s only star Without the Sun’s energy, life as we know it could not exist on our home planet
- The Sun - Science@NASA
The Sun The Sun is the star at the heart of our solar system Its gravity holds the solar system together, keeping everything — from the biggest planets to the smallest bits of debris — in its orbit
- In Depth | Sun – NASA Solar System Exploration
The Sun is a 4 5 billion-year-old yellow dwarf star – a hot glowing ball of hydrogen and helium – at the center of our solar system It’s about 93 million miles (150 million kilometers) from Earth and it’s our solar system’s only star Without the Sun’s energy, life as we know it could not exist on our home planet
- Sun | Definition, Composition, Properties, Temperature, Facts . . .
Sun, star around which Earth and the other components of the solar system revolve It is the dominant body of the system, constituting more than 99 percent of its entire mass The Sun is the source of an enormous amount of energy, a portion of which provides Earth with the light and heat necessary to support life
- Explore Our Dynamic Sun! - NASA Science
Solar images from NASA’s Solar Dynamics Observatory show different features on the Sun, including sunspots in the visible light spectrum Filaments and prominences can be seen in hydrogen-alpha, coronal mass ejections in X-ray, and details in ultraviolet light
- The sun: Facts about the bright star at the center of the solar system . . .
The sun is about three-quarters hydrogen and one-quarter helium, with tiny amounts of metals The larger a star is, the more rapidly it burns through its hydrogen Some of the largest known stars
- The Sun: Facts, size, and fate of Earth’s blazing star
Facts about our Sun, including its distance from Earth, what the Sun is made of, and how long it would take to drive there (hint: a long time!)
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